CN219229428U

CN219229428U - Study seat

Info

Publication number: CN219229428U
Application number: CN202320088461.3U
Authority: CN
Inventors: 宋祖琳; 宋镜
Original assignee: Huaqiao University
Current assignee: Huaqiao University
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-23
Anticipated expiration: 2033-01-31

Abstract

The utility model relates to the technical field of school supplies, in particular to a study seat, which comprises a seat, supporting legs fixed at the lower end of the seat, armrests symmetrically fixed at two sides of the upper end of the seat, a back plate arranged behind the seat, a leg supporting plate arranged in front of the seat and a cushion arranged in the middle of the upper end of the seat, wherein a first U-shaped frame corresponding to the back plate is rotatably arranged at the rear end of the seat through a rotating shaft, and a second U-shaped frame corresponding to the leg supporting plate is rotatably arranged at the front end of the seat through the rotating shaft. According to the utility model, the first U-shaped frame and the second U-shaped frame are arranged on the seat plate, and the gears, the toothed chains, the hand supporting plates, the sliding columns and the locking blocks are arranged among the armrests, the first U-shaped frame and the second U-shaped frame, so that the linkage adjustment operation of the angles of the backrest plate and the leg supporting plates on the study seat can be performed, the workload and difficulty of the adjustment of the sitting posture and the prone posture of the study seat are effectively reduced, and the convenience of the actual operation of the study seat is improved.

Description

Study seat

Technical Field

The utility model relates to the technical field of school supplies, in particular to a study seat.

Background

The study chair is one of common study articles, and is a seat with a backrest and armrests. Modern chairs are attractive and fashionable, and some chairs are not used as seats alone, so that the life of people is more convenient under the combination of science and technology.

At present, although the independent adjustment operation of the angles of the backrest plate and the leg support plates can be carried out on the learning seat on the market, the linkage convenient adjustment processing of the sitting posture and the prone posture of the learning seat is difficult to carry out according to the actual use requirement of a user, the actual learning use of the user is inconvenient, the workload of the user is increased, and meanwhile, the convenience of the adjustment of the learning seat is also reduced.

Therefore, the design and manufacture of the study seat can facilitate the synchronous adjustment of the back support plate and the leg support plate so as to realize the convenient adjustment of the sitting posture and the prone posture of the study seat, and the study seat is particularly important in the practical study and use process.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the backrest plate and the leg supporting plates of the study seat are difficult to adjust synchronously and are inconvenient for a user to use convenient adjustment of the sitting posture and the prone posture of the study seat, the study seat is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a study seat, includes the seat, fixes supporting leg in the seat lower extreme, the handrail of symmetry fixing in seat upper end both sides, set up at the back board of seat rear, set up at the place ahead leg layer board of seat and set up the cushion at seat upper end middle part, the rear end of seat is rotated through the pivot and is installed with the corresponding first U type frame of back board, the front end of seat is rotated through the pivot and is installed with the corresponding second U type frame of leg layer board, be provided with the locking mechanism that is used for back board and leg layer board angle synchronization adjustment and locking between handrail, first U type frame and the second U type frame.

As a further description of the above technical solution:

the lock adjusting mechanism comprises gears symmetrically fixed at two ends of the first U-shaped frame and the second U-shaped frame, a toothed chain arranged between the two gears of the first U-shaped frame and the second U-shaped frame, a sliding column vertically movably arranged on the handrail, a hand supporting plate fixed at the upper end of the sliding column and buckled with the handrail, and a locking piece fixed at the lower end of the sliding column and locked with the toothed chain.

As a further description of the above technical solution:

the two sides of the backrest plate and the leg supporting plate are respectively and fixedly connected with an outer convex block, and inner grooves corresponding to the outer convex blocks are formed in the inner sides of the first U-shaped frame and the second U-shaped frame.

As a further description of the above technical solution:

the two ends of the backrest plate and the leg supporting plate are fixedly connected with limiting columns which penetrate through the first U-shaped frame and the second U-shaped frame respectively, and limiting grooves corresponding to the limiting columns are formed in the two ends of the first U-shaped frame and the second U-shaped frame respectively.

As a further description of the above technical solution:

the upper end of the backrest plate and the lower end of the leg supporting plate are respectively provided with a holding hole.

As a further description of the above technical solution:

the cushion is detachably arranged at the upper end of the seat plate through the rotary locking part.

As a further description of the above technical solution:

the spin lock part comprises a spin disc rotatably arranged at the lower end of the seat cushion, inclined holes which are formed in the spin disc at 180 degrees, a transverse plugboard movably arranged between the seat cushion and the spin disc and penetrating through the seat cushion and the seat cushion, a transmission column fixed at the inner end of the transverse plugboard and matched with the inclined holes, and a transverse plughole which is formed in the seat cushion and corresponds to the outer end of the transverse plugboard.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the first U-shaped frame and the second U-shaped frame are arranged on the seat plate, meanwhile, the gear, the toothed chain, the hand supporting plate, the sliding column and the locking piece are arranged among the armrests, the first U-shaped frame and the second U-shaped frame, the hand supporting plate is positioned above the armrests in a normal state, the locking piece at the lower end of the sliding column is locked with the toothed chain, at the moment, the angles of the back supporting plate and the leg supporting plate are locked, when the hand supporting plate slides upwards to be separated from the armrests, the locking piece at the lower end of the sliding column can slide to be separated from the toothed chain, and under the transmission action of the toothed chain and the gear, the first U-shaped frame and the second U-shaped frame can synchronously rotate and adjust on the seat plate.

2. According to the utility model, the seat cushion is detachably arranged on the seat plate, and meanwhile, the rotating disc, the inclined hole, the transverse plugboard, the transmission column and the transverse plughole are arranged between the seat cushion and the seat plate, when the rotating disc below the seat cushion is held and rotated, the transmission column on the inclined plugboard can slide in the inclined hole on the rotating disc, and the transverse plugboard can slide into the transverse plughole on the seat plate outwards or slide out of the transverse plughole on the seat plate inwards.

Drawings

Fig. 1 is a schematic and schematic diagram of a learning seat according to the present utility model;

FIG. 2 is a perspective exploded view of the whole of the present utility model;

fig. 3 is a schematic perspective exploded view of the first U-shaped frame, the second U-shaped frame, the backrest plate and the leg rest according to the present utility model.

Legend description:

1. a seat plate; 101. support legs; 102. an armrest; 103. a transverse insertion hole; 2. a first U-shaped frame; 3. a second U-shaped frame; 4. a gear; 5. a toothed chain; 6. a hand supporting plate; 601. a spool; 602. a locking piece; 7. a backing plate; 8. a leg rest; 9. a cushion; 10. a rotating disc; 11. inclined holes; 12. a transverse plugboard; 13. a drive column; 14. a holding hole; 15. an outer bump; 16. an inner groove; 17. a limit column; 18. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a study seat, including seat 1, fix the supporting leg 101 at seat 1 lower extreme, the handrail 102 of symmetry fixing in seat 1 upper end both sides, set up the back board 7 at seat 1 rear, set up the leg layer board 8 in seat 1 the place ahead and set up the cushion 9 at seat 1 upper end middle part, the first U type frame 2 corresponding with back board 7 is installed through the pivot rotation to seat 1's rear end, the second U type frame 3 corresponding with leg layer board 8 is installed through the pivot rotation to seat 1's front end, be provided with the accent lock mechanism that is used for back board 7 and leg layer board 8 angle synchronization adjustment and locking between handrail 102, first U type frame 2 and the second U type frame 3.

Specifically, as shown in fig. 1 and fig. 2, the lock adjusting mechanism includes gears 4 symmetrically fixed on two ends of the first U-shaped frame 2 and the second U-shaped frame 3, a toothed chain 5 installed between the two gears 4 of the first U-shaped frame 2 and the second U-shaped frame 3, a sliding column 601 vertically movably installed on the handrail 102, a hand supporting plate 6 fixed on the upper end of the sliding column 601 and buckled with the handrail 102, and a locking piece 602 fixed on the lower end of the sliding column 601 and locked with the toothed chain 5, in normal state, the hand supporting plate 6 is positioned on the handrail 102, so that a user's hand can be supported, when the hand supporting plate 6 is held and slid upwards, the locking piece 602 on the sliding column 601 can be separated from the toothed chain 5, at this time, the toothed chain 5 can move between the two gears 4, and at this time, the first U-shaped frame 2 and the second U-shaped frame 3 can rotate synchronously.

Specifically, as shown in fig. 1-3, the two sides of the back plate 7 and the leg supporting plate 8 are respectively and fixedly connected with an outer convex block 15, the inner sides of the first U-shaped frame 2 and the second U-shaped frame 3 are respectively provided with an inner groove 16 corresponding to the outer convex block 15, and the arrangement of the outer convex block 15 and the inner groove 16 improves the stability of sliding adjustment of the back plate 7 in the first U-shaped frame 2 and the leg supporting plate 8 in the second U-shaped frame 3.

Both ends of the back support plate 7 and the leg support plate 8 are fixedly connected with limiting columns 17 penetrating through the first U-shaped frame 2 and the second U-shaped frame 3 respectively, limiting grooves 18 corresponding to the limiting columns 17 are formed in both ends of the first U-shaped frame 2 and the second U-shaped frame 3, and the arrangement of the limiting columns 17 and the limiting grooves 18 promotes stability of sliding adjustment of the back support plate 7 in the first U-shaped frame 2 and the leg support plate 8 in the second U-shaped frame 3 on one hand and can provide locking force after adjustment to a certain extent on the other hand, so that the back support plate 7 is conveniently locked in the first U-shaped frame 2 and the leg support plate 8 is locked in the second U-shaped frame 3.

The upper end of the back support plate 7 and the lower end of the leg support plate 8 are respectively provided with a holding hole 14, and the holding holes 14 are arranged, so that hands of operators can hold the back support plate 7 and the leg support plate 8 conveniently, and sliding adjustment operation of the back support plate 7 and the leg support plate 8 in the first U-shaped frame 2 and the second U-shaped frame 3 is facilitated.

Specifically, as shown in fig. 1 and 2, the cushion 9 is detachably mounted at the upper end of the seat plate 1 through a twist lock portion, wherein the twist lock portion comprises a rotating disc 10 rotatably mounted at the lower end of the cushion 9, an inclined hole 11 formed in the rotating disc 10 at 180 degrees, a transverse plugboard 12 movably mounted between the cushion 9 and the rotating disc 10 and penetrating through the seat plate 1 and the cushion 9, a transmission column 13 fixed at the inner end of the transverse plugboard 12 and matched with the inclined hole 11, and a transverse plughole 103 formed in the seat plate 1 and corresponding to the outer end of the transverse plugboard 12, when the rotating disc 10 is rotated, the transmission column 13 at the inner end of the transverse plugboard 12 can slide in the inclined hole 11 on the rotating disc 10, so that transverse sliding adjustment operation of the transverse plugboard 12 is realized, and in addition, when the transverse plugboard 12 slides outwards into the transverse plugboard 103 on the seat plate 1, the cushion 9 is limited and locked on the seat plate 1.

Working principle: when the seat cushion 9 is needed to be replaced, the rotary disc 10 below the seat cushion 9 is held firstly and rotated anticlockwise, the transmission column 13 on the transverse insertion plate 12 can slide in the inclined hole 11 on the rotary disc 10, so that the transverse insertion plate 12 is driven to slide out of the transverse insertion hole 103 on the seat plate 1 inwards, the locking state between the seat cushion 9 and the seat plate 1 is relieved at the moment, the seat cushion 9 can be taken out of the seat plate 1 upwards for replacement, in the actual use process, an operator can slide in the first U-shaped frame 2 according to the height condition and the leg length of the person, the adjustment operation of the position of the backrest 7 can be carried out, the leg support plate 8 slides in the second U-shaped frame 3, the adjustment operation of the position of the leg support plate 8 can be carried out, the backrest 7 and the leg support plate 8 in a prone position is needed, the operator can hold and slide the hand support plate 6 upwards when the lock block 602 on the sliding column 601 is separated from the toothed chain 5 upwards, the first U-shaped frame 2 and the second U-shaped frame 3 are relieved when the lock block 602 on the sliding column is separated from the toothed chain 5 upwards, the angle of the backrest 7 and the leg support plate 8 is adjusted to the position of the seat cushion 1, the angle of the backrest 7 can be adjusted synchronously, and the angle of the backrest 7 can be adjusted in the position of the seat support plate is adjusted in the second U-shaped frame 3, and the angle of the backrest 7 is adjusted to the prone position.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a study seat, includes seat (1), fixes supporting leg (101) at seat (1) lower extreme, handrail (102) of symmetry fixing in seat (1) upper end both sides, set up back board (7) at seat (1) rear, set up leg layer board (8) in seat (1) the place ahead and set up cushion (9) at seat (1) upper end middle part, a serial communication port, first U type frame (2) corresponding with back board (7) are installed through the pivot rotation to the rear end of seat (1), second U type frame (3) corresponding with leg layer board (8) are installed through the pivot rotation to the front end of seat (1), be provided with between layer board handrail (102), first U type frame (2) and second U type frame (3) and be used for back board (7) and leg (8) angle synchronization adjustment and locking's locking mechanism.

2. A study seat as claimed in claim 1, characterized in that the locking mechanism comprises gears (4) symmetrically fixed at both ends of the first U-shaped frame (2) and the second U-shaped frame (3), a toothed chain (5) installed between the two gears (4) of the first U-shaped frame (2) and the second U-shaped frame (3), a sliding column (601) vertically movably installed on the armrest (102), a hand supporting plate (6) fixed at the upper end of the sliding column (601) and buckled with the armrest (102) and a locking block (602) fixed at the lower end of the sliding column (601) and locked with the toothed chain (5).

3. The study seat according to claim 1, wherein the two sides of the backrest plate (7) and the leg supporting plate (8) are respectively fixedly connected with an outer convex block (15), and inner sides of the first U-shaped frame (2) and the second U-shaped frame (3) are respectively provided with an inner groove (16) corresponding to the outer convex block (15).

4. A learning seat as claimed in claim 3, wherein the two ends of the backrest plate (7) and the leg support plate (8) are fixedly connected with limiting posts (17) penetrating through the first U-shaped frame (2) and the second U-shaped frame (3), and the two ends of the first U-shaped frame (2) and the second U-shaped frame (3) are provided with limiting grooves (18) corresponding to the limiting posts (17).

5. A learning chair as claimed in claim 4, characterized in that the upper end of the back rest plate (7) and the lower end of the leg rest plate (8) are provided with grip holes (14).

6. A learning seat as claimed in claim 1, characterized in that the seat cushion (9) is detachably mounted at the upper end of the seat plate (1) by means of a twist-lock.

7. The study seat according to claim 6, wherein the twist-lock part comprises a rotating disc (10) rotatably mounted at the lower end of the seat cushion (9), inclined holes (11) formed in the rotating disc (10) at 180 degrees, a transverse insertion plate (12) movably mounted between the seat cushion (9) and the rotating disc (10) and penetrating through the seat cushion (1) and the seat cushion (9), a transmission column (13) fixed at the inner end of the transverse insertion plate (12) and matched with the inclined holes (11), and transverse insertion holes (103) formed in the seat cushion (1) and corresponding to the outer ends of the transverse insertion plate (12).